sizeof operator

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Queries size of the object or type

Used when actual size of the object must be known

Contents 1 Syntax 2 Explanation 3 Keywords 4 Example 5 See also

[edit] Syntax

sizeof( type )
sizeof( expression )

Both versions return an object of type std::size_t.

[edit] Explanation

1) returns size in bytes of any instance of type.

2) returns size in bytes of any instance of the type, that would be returned by expression, if evaluated.

[edit] Keywords

sizeof

[edit] Example

This section is incomplete

[edit] See also

alignof, sizeof...